11983280

素因数分解:

$2^4\times 5^1\times {\mathrm{149791}}^1$

素因数の和:149804

約数の個数: 20

約数和(自身を含む): 27861312

約数和(自身を除く): 15878032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149791, 299582, 599164, 748955, 1198328, 1497910, 2396656, 2995820, 5991640, 11983280]

約数ペア:

[(1, 11983280), (2, 5991640), (4, 2995820), (5, 2396656), (8, 1497910), (10, 1198328), (16, 748955), (20, 599164), (40, 299582), (80, 149791)]